Respuesta :
If the liquid in a mercury barometer were replaced with water of density 1000kgm-3, the height of the water column will be 10.3m
A mercury barometer Measures atmospheric pressure by determining the height of a mercury column supported in a sealed glass tube.
Height of mercury column = 76cm
Let the height of the water column be 'h'
As per the law of fluid dynamics, pressure applied by fluid of height h is equal to hρg
Now, when the fluid in the barometer will be in equilibrium, the height of the fluid column will be equal to the atmospheric pressure.
ρ(Hg) × g × 76 = ρ(Water) x g x h
Substituting the values, we have
13600 x 9.8 x 76 = 1000 x 9.8 x h
[tex]h = \frac{13600 x 76}{1000}[/tex]
h = 1033 cm or 10.3m
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